CN110966914A - Measuring device - Google Patents
Measuring device Download PDFInfo
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- CN110966914A CN110966914A CN201811148612.XA CN201811148612A CN110966914A CN 110966914 A CN110966914 A CN 110966914A CN 201811148612 A CN201811148612 A CN 201811148612A CN 110966914 A CN110966914 A CN 110966914A
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- card slot
- clamping groove
- measuring
- bending
- fixing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/28—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures
Abstract
The invention discloses a measuring device which is used for simultaneously measuring voltage values of a plurality of bending sensors under different bending angles. The measuring device comprises a base, a plurality of measuring units and a driving piece. By adopting the measuring device, a plurality of bending sensors can be respectively fixed on a plurality of measuring units, then the driving piece drives a plurality of rotating strips of the measuring units to rotate for a certain angle, and when the rotating strips rotate, the second clamping grooves drive the bending sensors to rotate for the same angle. And then, all the bending sensors are connected to a test circuit, and after the voltage display is stable, the corresponding voltage values can be recorded. Therefore, voltage values of the bending sensor under different bending angles can be measured in batch.
Description
Technical Field
The invention relates to the technical field of bending sensor measurement, in particular to a measuring device capable of simultaneously measuring voltage values of a plurality of bending sensors at different bending angles.
Background
In the virtual reality system, the data gloves can transfer the hand gesture to virtual environment accurately and really, can feed back the contact information with virtual object to the operator moreover, make the operator with more direct, more natural, more effective mode and virtual world interact, strengthened interactive and the sense of immersing greatly. The most critical part in the data glove is a bending sensor which is mainly arranged at the position of a finger joint and used for measuring the bending degree of the joint, and further the bending sensor is combined with other sensors to determine the gesture action of an operator. At present, most of bending sensors are manufactured by optical fibers, and due to the limitation of manufacturing processes, different voltage values are often generated when different bending sensors are positioned at the same bending angle, which requires that the magnitude of the voltage values correspondingly generated when the bending sensors are positioned at different bending angles must be accurately measured in the process of manufacturing data gloves.
For this reason, it is necessary to design a new measuring device to overcome the above problems.
Disclosure of Invention
The present invention is directed to a measuring device for measuring voltage values of a plurality of bending sensors at different bending angles simultaneously, and provides a measuring device for measuring voltage values of a plurality of bending sensors at different bending angles.
In order to solve the above technical problem, the present invention provides a measurement apparatus for simultaneously measuring voltage values of a plurality of bending sensors at different bending angles, the measurement apparatus comprising:
a base;
the measuring units are arranged at intervals, each measuring unit is provided with a fixed strip and a rotating strip which is rotatably connected to the fixed strip, the fixed strip is fixedly connected with the base, a first clamping groove used for fixing one end of one bending sensor is arranged on the front side surface of the fixed strip, a second clamping groove used for fixing the other end of the other bending sensor is arranged on the front side surface of the rotating strip, each measuring unit has an initial state, and when the measuring units are in the initial state, the second clamping grooves are located on the extension line of the first clamping grooves in the length direction;
and the driving part is respectively connected with the plurality of rotating strips of the measuring units and is used for driving the plurality of rotating strips of the measuring units to rotate around the corresponding fixing strip.
By using the above-described measuring device, a plurality of bending sensors can be fixed to a plurality of the measuring units, respectively. The fixing mode of each bending sensor is as follows: and fixing one end of the bending sensor in the first clamping groove, and fixing the other end of the bending sensor in the second clamping groove. Then, the driving piece simultaneously drives the rotating strips of the measuring units to rotate for a certain angle, and when the rotating strips rotate, the second clamping grooves drive the bending sensors to rotate for the same angle. And then, all the bending sensors are connected to a test circuit, and after the voltage display is stable, the corresponding voltage values can be recorded. Therefore, voltage values of the bending sensor under different bending angles can be measured in batch.
In the measuring device provided by the invention, the base is provided with two installation parts which are spaced apart, the driving part comprises a rotating shaft, two opposite ends of the rotating shaft are respectively and rotatably connected with the two installation parts, and the rotating shaft is also respectively and vertically connected with the rotating centers of the plurality of rotating strips. Through the improvement, the rotating strip can be driven to rotate only by controlling the rotation of the rotating shaft, and the rotation angle of the rotating shaft is the rotation angle of the rotating strip and is also equal to the bending angle of the bending sensor, so that the counting is convenient.
In the measuring device provided by the invention, a third clamping groove for fixing one end of one bending sensor is arranged on the front side surface of the fixed strip, a fourth clamping groove for fixing the other end of one bending sensor is arranged on the front side surface of the rotating strip, and when the measuring unit is in the initial state, the fourth clamping groove is positioned on an extension line of the third clamping groove in the length direction. Through the improvement, one measuring unit can fix two bending sensors at the same time, and the processing capacity of the measuring device is multiplied.
In the measuring device provided by the invention, the extension line of the first card slot in the length direction is parallel to and does not overlap with the extension line of the third card slot in the length direction; the extension line of the second card slot in the length direction is parallel to and does not overlap with the extension line of the fourth card slot in the length direction. Through the improvement, when the two bending sensors are simultaneously fixed on the measuring unit, the two bending sensors can be ensured to be separated from each other and not interfered with each other.
In the measuring device provided by the invention, a fifth clamping groove corresponding to the first clamping groove and a seventh clamping groove corresponding to the third clamping groove are arranged on the rear side surface of the fixing strip; and a sixth clamping groove corresponding to the second clamping groove and an eighth clamping groove corresponding to the fourth clamping groove are formed in the rear side surface of the rotating strip. Through the improvement, one measuring unit can fix four bending sensors at the same time, so that the quantity of the bending sensors measured by the measuring device at one time is greatly increased.
In the measuring device provided by the invention, the base is also provided with a bottom plate respectively connected with the bottoms of the two mounting parts, and the lower ends of the plurality of fixing strips are vertically connected with the bottom plate. Through the improvement, the integral structure of the measuring device is more stable and attractive.
In the measuring device provided by the invention, a plurality of fixing strips are arranged between the two mounting parts in parallel at equal intervals. Through the improvement, the whole structure of the measuring device is more reasonable and compact, and the space is saved.
In the measuring device provided by the invention, length scale indications are arranged on the first clamping groove and/or the second clamping groove. Through the improvement, when one bending sensor is fixed in the first clamping groove and the second clamping groove, the measuring position of the bending sensor can be judged and changed through the length scale indication on the first clamping groove and/or the second clamping groove, and therefore the bending sensor can be conveniently and comprehensively measured.
In the measuring device provided by the invention, length scale indications are arranged on the third clamping groove and/or the fourth clamping groove. Through the improvement, when one bending sensor is fixed in the third clamping groove and the fourth clamping groove, the measuring position of the bending sensor can be judged and changed through the length scale indication on the third clamping groove and/or the fourth clamping groove, and therefore the bending sensor can be conveniently and comprehensively measured.
In the measuring device provided by the invention, length scale indication is arranged on the fifth clamping groove and/or the sixth clamping groove; and length scale indication is arranged on the seventh clamping groove and/or the eighth clamping groove. Through the improvement, when one bending sensor is fixed in the fifth clamping groove and the sixth clamping groove, the measuring position of the bending sensor can be judged and changed through the length scale indication on the fifth clamping groove and/or the sixth clamping groove, and therefore the bending sensor can be conveniently and comprehensively measured. Meanwhile, when one bending sensor is fixed in the seventh clamping groove and the eighth clamping groove, the measuring position of the bending sensor can be judged and changed through the length scale indication on the seventh clamping groove and/or the eighth clamping groove, and therefore the bending sensor can be conveniently and comprehensively measured.
Compared with the prior art, the measuring device provided by the invention has the following beneficial effects: the measuring device includes: a base; the measuring units are arranged at intervals, each measuring unit is provided with a fixed strip and a rotating strip which is rotatably connected to the fixed strip, the fixed strip is fixedly connected with the base, a first clamping groove used for fixing one end of one bending sensor is arranged on the front side surface of the fixed strip, a second clamping groove used for fixing the other end of the other bending sensor is arranged on the front side surface of the rotating strip, each measuring unit has an initial state, and when the measuring units are in the initial state, the second clamping grooves are located on the extension line of the first clamping grooves in the length direction; and the driving part is respectively connected with the plurality of rotating strips of the measuring units and is used for driving the plurality of rotating strips of the measuring units to rotate around the corresponding fixing strip. By using the above-described measuring device, a plurality of bending sensors can be fixed to a plurality of the measuring units, respectively. The fixing mode of each bending sensor is as follows: and fixing one end of the bending sensor in the first clamping groove, and fixing the other end of the bending sensor in the second clamping groove. Then, the driving piece simultaneously drives the rotating strips of the measuring units to rotate for a certain angle, and when the rotating strips rotate, the second clamping grooves drive the bending sensors to rotate for the same angle. And then, all the bending sensors are connected to a test circuit, and after the voltage display is stable, the corresponding voltage values can be recorded. Therefore, voltage values of the bending sensor under different bending angles can be measured in batch.
Drawings
FIG. 1 is a perspective view of a preferred embodiment of the present invention;
FIG. 2 is a front view of the measuring unit in an initial state according to the preferred embodiment of the present invention;
FIG. 3 is a rear view of the measuring unit in an initial state according to the preferred embodiment of the present invention;
FIG. 4 is a schematic view of the measuring unit of FIG. 2 after the rotating bar is rotated 90 degrees;
FIG. 5 is a diagram illustrating a state of use of the measurement unit according to the preferred embodiment of the present invention.
The reference numerals in the detailed description illustrate:
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the measuring apparatus provided in this embodiment can be used to measure voltage values of a plurality of bending sensors 4 at different bending angles simultaneously, and it should be understood by those skilled in the art that a detection circuit is also required to be used.
The measuring device comprises a base 1, a plurality of measuring units 2 and a driving piece. In this embodiment, the number of the measurement units 2 is configured to be 10, and it should be understood by those skilled in the art that the number of the measurement units 2 may be changed according to specific needs.
The base 1 comprises a base plate 11 and two mounting portions 12. Specifically, the bottom plate 11 is in a cuboid block shape and can be made of hard materials. Installation department 12 is the size relative the less cuboid platelike structure of bottom plate 11, two installation department 12 just aligns and the parallel arrangement in looks interval in the upper surface of bottom plate 11.
Referring to fig. 2 to 4, the measuring unit 2 has a fixed bar 21 and a rotating bar 22 rotatably connected to the fixed bar 21, and the fixed bar 21 is fixedly connected to the base 1. Specifically, the fixing strips 21 include a first upper section 211 extending linearly, a first middle section 212 extending obliquely downward from a lower end of the first upper section 211, and a first lower section 213 extending from a lower end of the first middle section 212 in a direction parallel to the first upper section 211, a lower end of the first lower section 213 of each fixing strip 21 is vertically inserted and fixed on the upper surface of the bottom plate 11, and intervals between 10 fixing strips 21 are the same, that is, 10 fixing strips 21 are inserted and fixed on the upper surface of the bottom plate 11 at equal intervals and in parallel; the rotating bar 22 includes a second upper section 221 extending linearly, a second middle section 222 extending obliquely downward from a lower end of the second upper section 221, and a second lower section 223 extending from a lower end of the second middle section 222 in a direction parallel to the second upper section 221, the second middle section 222 has a hollow sleeve 2221 at a middle portion thereof, the first middle section 212 has a circular hole corresponding to the sleeve 2221 at a middle portion thereof, the sleeve 2221 of the second middle section 222 is inserted into the circular hole of the first middle section 212, and an inner diameter of the circular hole is slightly larger than an outer diameter of the sleeve 2221, so that the sleeve 2221 can rotate in the circular hole, thereby rotatably connecting the rotating bar 22 and the fixed bar 21. When the measuring unit 2 is in the initial state, the second upper segment 221 is parallel to the first upper segment 211 and vertically aligned with the first lower segment 213, and the second lower segment 223 is parallel to the first lower segment 213 and vertically aligned with the first upper segment 211.
A first clamping groove 231 for fixing one end of one bending sensor 4 is arranged on the front side surface of the fixing strip 21, and a second clamping groove 232 for fixing the other end of one bending sensor 4 is arranged on the front side surface of the rotating strip 22. Specifically, the first card slot 231 is disposed on a front side surface of the first upper section 211 of the fixing strip 21, and an extending direction of the first card slot 231 is consistent with an extending direction of the first upper section 211; the second engaging groove 232 is disposed on a front side surface of the second lower section 223 of the rotating strip 22, and an extending direction of the second engaging groove 232 is consistent with an extending direction of the second lower section 223; so that the second card slot 232 is positioned on an extension line of a length direction of the first card slot 231 when the measuring unit 2 is in an initial state, so that the bending sensor 4 is not forced to be bent when the bending sensor 4 is installed in the first card slot 231 and the second card slot 232 on the measuring unit 2 in the initial state.
The driving member is respectively connected with a plurality of rotating strips 22 of the measuring unit 2, and is used for driving the plurality of rotating strips 22 of the measuring unit 2 to rotate around the corresponding fixing strip 21. Specifically, the driving piece is a section and is circular shape pivot 3, pivot 3 runs through 10 in proper order rotate the sleeve 2221 of strip 22, pivot 3 with be interference fit between the sleeve 2221, so, work as 3 can drive 10 when rotating the pivot rotate strip 22 rotates. Two opposite ends of the rotating shaft 3 are movably inserted into the two mounting parts 12 respectively.
When the measuring device is used, each measuring unit 2 is adjusted to an initial state, and then a plurality of bending sensors 4 are respectively fixed to the plurality of measuring units 2. The fixing mode of each bending sensor 4 is as follows: one end of the bending sensor 4 is fixed in the first slot 231, and the other end is fixed in the second slot 232. Then make through rotating pivot 3 the pivot 3 rotates certain angle, it is a plurality of to drive when pivot 3 rotates measuring unit 2 the rotating strip 22 rotates the same angle, when rotating strip 22 rotates, second draw-in groove 232 drives correspondingly bending sensor 4 rotates the same angle. Then, the bending sensors 4 are all connected to a test circuit, and after the voltage display is stable, the corresponding voltage values can be recorded. Therefore, the voltage values of the bending sensor 4 under different bending angles can be measured in batch.
Further, a third engaging groove 233 for fixing one end of one bending sensor 4 is disposed on the front side of the fixing bar 21, and a fourth engaging groove 234 for fixing the other end of one bending sensor 4 is disposed on the front side of the rotating bar 22. Specifically, the third card slot 233 is disposed on a front side surface of the first lower section 213 of the fixing bar 21, and an extension direction of the third card slot 233 is consistent with an extension direction of the first lower section 213; the fourth slot 234 is disposed on a front side of the second upper section 221, and an extension direction of the fourth slot 234 is consistent with an extension direction of the second upper section 221; so that the fourth card slot 234 is positioned on an extension line of a length direction of the third card slot 233 when the measuring unit 2 is in the initial state, so that the bending sensor 4 is not forced to be bent when the bending sensor 4 is installed in the third card slot 233 and the fourth card slot 234 on the measuring unit 2 in the initial state. Due to the addition of the third slot 233 and the fourth slot 234, one measuring unit 2 can measure two bending sensors 4 at the same time, thereby multiplying the processing capacity of the measuring device.
Moreover, it is worth mentioning that, since the first card slot 231 and the third card slot 233 are respectively located at the first upper section 211 and the first lower section 213, an extension line of a length direction of the first card slot 231 is parallel to and does not overlap with an extension line of a length direction of the third card slot 233; since the second card slot 232 and the fourth card slot 234 are respectively located at the second lower section 223 and the second upper section 221, an extension line of the second card slot 232 in a length direction is parallel to and does not overlap with an extension line of the fourth card slot 234 in the length direction. Therefore, when two bending sensors 4 are simultaneously fixed to the measuring unit 2, the two bending sensors 4 are spaced apart from each other without interfering with each other (see fig. 5).
Further, a fifth card slot 235 corresponding to the first card slot 231 and a seventh card slot 237 corresponding to the third card slot 233 are disposed on the rear side surface of the fixing strip 21; a sixth engaging groove 236 corresponding to the second engaging groove 232 and an eighth engaging groove 238 corresponding to the fourth engaging groove 234 are disposed on a rear side surface of the rotating bar 22. Specifically, the fifth card slot 235 and the seventh card slot 237 are respectively disposed on the rear side surface of the first upper section 211 and the rear side surface of the first lower section 213; the fifth card slot 235 and the first card slot 231 have the same structure and size, and the fifth card slot 235 and the first card slot 231 are aligned front to back; the seventh card slot 237 and the third card slot 233 have the same structure and size, and the seventh card slot 237 and the third card slot 233 are aligned front to back; the sixth and eighth engaging grooves 236 and 238 are respectively disposed on the rear side of the second lower section 223 and the rear side of the second upper section 221; the sixth slot 236 and the second slot 232 have the same structure and size, and the sixth slot 236 and the second slot 232 are aligned front to back; the eighth card slot 238 and the fourth card slot 234 have the same structure and size, and the eighth card slot 238 and the fourth card slot 234 are aligned front to back. In this way, one measuring unit 2 can fix four bending sensors 4 at the same time, which greatly increases the number of bending sensors 4 measured by the measuring device at a time.
Further, length scale indications are arranged on the first card slot 231 and/or the second card slot 232; length scale indications are arranged on the third clamping groove 233 and/or the fourth clamping groove 234; length scale indications are arranged on the fifth card slot 235 and/or the sixth card slot 236; length scale indications are arranged on the seventh clamping groove 237 and/or the eighth clamping groove 238. In this way, when we fix a bending sensor 4 in the first slot 231 and the second slot 232, the measurement position of the bending sensor 4 can be judged and changed by the length scale indication on the first slot 231 and/or the second slot 232; when a bending sensor 4 is fixed in the third card slot 233 and the fourth card slot 234, the measurement position of the bending sensor 4 can be judged and changed through the length scale indication on the third card slot 233 and/or the fourth card slot 234; when a bending sensor 4 is fixed in the fifth card slot 235 and the sixth card slot 236, the measuring position of the bending sensor 4 can be judged and changed through the length scale indication on the fifth card slot 235 and/or the sixth card slot 236; when we fix a bending sensor 4 in the seventh notch 237 and the eighth notch 238, the measurement position of the bending sensor 4 can be judged and changed by the length scale indication on the seventh notch 237 and/or the eighth notch 238; it is convenient for us to make a comprehensive measurement of each bending sensor 4.
In summary, the measuring device provided by the invention can achieve at least the following beneficial effects:
1. by using the measuring device, a plurality of bending sensors 4 can be fixed to a plurality of measuring units 2, respectively. The fixing mode of each bending sensor 4 is as follows: one end of the bending sensor 4 is fixed in the first slot 231, and the other end is fixed in the second slot 232. Then, the driving member simultaneously drives the plurality of rotating strips 22 of the measuring unit 2 to rotate by a certain angle, and when the rotating strips 22 rotate, the second clamping groove 232 drives the bending sensor 4 to rotate by the same angle. Then, the bending sensors 4 are all connected to a test circuit, and after the voltage display is stable, the corresponding voltage values can be recorded. Therefore, the voltage values of the bending sensor 4 under different bending angles can be measured in batch.
2. The rotating strip 22 can be driven to rotate only by controlling the rotation of the rotating shaft 3, and the rotation angle of the rotating shaft 3 is the rotation angle of the rotating strip 22 and is also equal to the bending angle of the bending sensor 4, so that the counting is convenient.
3. One measuring unit 2 can fix four bending sensors 4 at the same time, which greatly increases the number of bending sensors 4 measured by the measuring device at a time.
4. Length scale indications are arranged on the first clamping groove 231 and/or the second clamping groove 232; length scale indications are arranged on the third clamping groove 233 and/or the fourth clamping groove 234; length scale indications are arranged on the fifth card slot 235 and/or the sixth card slot 236; length scale indications are arranged on the seventh clamping groove 237 and/or the eighth clamping groove 238. In this way, it is convenient for us to make a comprehensive measurement of each bending sensor 4.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A measurement device for simultaneously measuring voltage values of a plurality of bending sensors at different bending angles, comprising:
a base;
the measuring units are arranged at intervals, each measuring unit is provided with a fixed strip and a rotating strip which is rotatably connected to the fixed strip, the fixed strip is fixedly connected with the base, a first clamping groove used for fixing one end of one bending sensor is arranged on the front side surface of the fixed strip, a second clamping groove used for fixing the other end of the other bending sensor is arranged on the front side surface of the rotating strip, each measuring unit has an initial state, and when the measuring units are in the initial state, the second clamping grooves are located on the extension line of the first clamping grooves in the length direction;
and the driving part is respectively connected with the plurality of rotating strips of the measuring units and is used for driving the plurality of rotating strips of the measuring units to rotate around the corresponding fixing strip.
2. The measuring device of claim 1, wherein the base has two spaced apart mounting portions, and the driving member includes a shaft, opposite ends of the shaft are rotatably connected to the two mounting portions, respectively, and the shaft is further perpendicularly connected to the rotation centers of the plurality of rotating bars, respectively.
3. The measuring device according to claim 1 or 2, wherein a third engaging groove for fixing one end of one of the bending sensors is provided on a front side surface of the fixing bar, a fourth engaging groove for fixing the other end of one of the bending sensors is provided on a front side surface of the rotating bar, and the fourth engaging groove is located on an extension line of a length direction of the third engaging groove when the measuring unit is in the initial state.
4. The measurement device according to claim 3, wherein a lengthwise extension line of the first card slot is parallel to and does not overlap with a lengthwise extension line of the third card slot; the extension line of the second card slot in the length direction is parallel to and does not overlap with the extension line of the fourth card slot in the length direction.
5. The measuring device according to claim 4, wherein a fifth slot corresponding to the first slot and a seventh slot corresponding to the third slot are provided on a rear side of the fixing strip; and a sixth clamping groove corresponding to the second clamping groove and an eighth clamping groove corresponding to the fourth clamping groove are formed in the rear side surface of the rotating strip.
6. The measuring apparatus according to claim 2, wherein the base further has a bottom plate connected to the bottom of the two mounting portions, respectively, and the lower ends of the plurality of fixing bars are vertically connected to the bottom plate.
7. A measuring device according to claim 6, wherein a plurality of said fixing strips are arranged in parallel at equal intervals between two of said mounting portions.
8. The measuring device according to claim 1, wherein a length scale indication is provided on the first and/or second card slot.
9. The measuring device according to claim 3, wherein a length scale indication is provided on the third card slot and/or the fourth card slot.
10. The measuring device according to claim 5, wherein length scale indications are provided on the fifth and/or sixth card slot; and length scale indication is arranged on the seventh clamping groove and/or the eighth clamping groove.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811148612.XA CN110966914B (en) | 2018-09-29 | 2018-09-29 | Measuring device |
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| CN201811148612.XA CN110966914B (en) | 2018-09-29 | 2018-09-29 | Measuring device |
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| CN110966914A true CN110966914A (en) | 2020-04-07 |
| CN110966914B CN110966914B (en) | 2021-07-02 |
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